1993 Mazda MX-5 1.8L Petrol · XJT 120B

The latest MOT test on the 1998 Mazda MX-5 was conducted on 2026-06-02 and resulted in a clean pass, marking the vehicle’s most recent roadworthiness assessment. However, the overall maintenance trend over the past decade is mixed, with a notable pattern of recurring corrosion-related advisories, particularly in the suspension sub-frames and wishbones, which have appeared consistently since 2021. While the vehicle has passed most MOTs, the persistence of these advisories—particularly the front and rear sub-frame corrosion and corroded suspension arms—suggests underlying structural wear that could escalate if left unaddressed. The failure in 2021-08-20, which included a major fault with the windscreen wiper and advisories on brake hose corrosion and sub-frame integrity, indicates that the vehicle’s mechanical condition has been precarious at times, warranting cautious optimism about its long-term reliability. The recorded mileage of 93,750 miles for a vehicle aged approximately 28 years represents a relatively low annual usage rate of around 3,348 miles per year, which is unusually low for its age and could imply prolonged periods of inactivity. Such low mileage often correlates with increased risk of standing corrosion, particularly in the sub-frames, suspension components, and underbody areas where moisture and road salt accumulate. The absence of higher-mileage wear patterns—such as excessive tyre tread loss, uneven suspension wear, or drivetrain component degradation—suggests that the vehicle has not been subjected to rigorous use, but this also means that consumables like fluids, brakes, and electrical systems may have degraded over time due to prolonged storage. The advisory from 2025-05-29 regarding an oil leak, though not excessive, underscores the need for vigilance, as oil consumption can accelerate wear on piston rings, valves, and seals if left unchecked. For a prospective buyer, the most critical areas to inspect are the suspension and braking systems, given the recurring advisories and potential for corrosion-related failures. On a test drive, listen for unusual suspension clunks or rattles, particularly when driving over bumps, as these may indicate worn suspension bushes or loose suspension arms. Check for uneven tyre wear, which could signal misalignment or suspension issues, and inspect the tyres for sidewall cracking or perishing, a common issue in older vehicles left stationary for extended periods. The brake system should be tested for smooth operation, with particular attention to any binding or shuddering, which may indicate corroded brake discs, warped discs, or binding calipers. The parking brake should be adjusted to ensure it engages fully without excessive effort, as the 2021 MOT failure highlighted a potential inefficiency in this area. Additionally, focus on the underbody for signs of rust progression, especially around the sub-frames and wheel arches, as these areas have been flagged in multiple MOTs. Visually inspect the exhaust system for leaks or excessive noise, which could indicate worn or failing components. Given the vehicle’s age and low mileage, check the 12V battery for signs of weakness or corrosion on terminals, and verify that the battery has sufficient charge when the engine is off. Fluid levels should be topped up to manufacturer specifications, with particular attention to the coolant, brake fluid, and transmission fluid, as these degrade over time regardless of mileage. Finally, review any service records or maintenance logs to confirm that time-based servicing, such as oil changes and brake inspections, has been conducted according to the manufacturer’s recommendations. If service history is sparse, prioritise a thorough mechanical inspection, including the inspection of the engine bay for leaks, the inspection of the suspension for play or binding, and the assessment of the exhaust and emissions system for compliance.